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Lens Mount ID #2 - Tamron 28/2.8 Yashica 50/1.7
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PostPosted: Mon Nov 10, 2008 6:56 am    Post subject: Lens Mount ID #2 - Tamron 28/2.8 Yashica 50/1.7 Reply with quote

I have just bought these two lenses on ebay.

Firstly the Tamron has been listed as needing a Tamron to EOS adapter.

I can source one of these without trouble, however the Yashica I'm not sure on.

I have read a few sources on the net that indicate it is the same mount as the Tamron... Any truth in this? The listing only says 'Screw Mount Yashinon 50/1.7 Yashica Lens' so I'm unsure.

Firstly the Tamron lens



The Yashica lens



If you guys aren't sure, when I receive the items I will post up some pictures of my own that should be more helpful Razz


PostPosted: Mon Nov 10, 2008 4:35 pm    Post subject: Reply with quote

Yashinon should be m42 afaik


PostPosted: Mon Nov 10, 2008 4:37 pm    Post subject: Reply with quote

Please show us mount side !


PostPosted: Mon Nov 10, 2008 5:46 pm    Post subject: Reply with quote

The Yashica looks like a Yashinon-DS from about 1975

Its certainly an M42, but like many later M42 lenses, it has no A/M switch. I think that it may be very similar (almost the same design, and even the same maker, the Tomioka factory) as the Mamiya SX 55/1.8. It may even be the same as the earlier Yashinon-DX and all the many similar lenses that came from Tomioka for Ricoh, Chinon, etc. Bill (member casualcollector) had a nice investigation of that.


PostPosted: Tue Nov 11, 2008 7:47 am    Post subject: Reply with quote

Sorry to bump, but regarding the tamron guys, I'm unsure what mount this one is?

If needed I will post a picture of it when I receive the lens, just wanted to order the adapter as soon as I could Razz


PostPosted: Wed Nov 12, 2008 8:34 am    Post subject: Reply with quote

I received two lenses in the mail today!

Firstly my Vivitar 24/2.8 (Question here, the dust cap on the back doesn't seem to twist off easily - I can't get the bloody thing off, is there a trick to this :/ ?) It's a Nikon lens?

I also have the Tamron lens now Smile

Here's a pic of the mount. Tamron to EOS?